Modified the HashTransport so that it only uses polling on visible frames
Modified the HashTransport so that it only uses polling on visible frames

aaron-goshine/easyXDM,oyvindkinsey/easyXDM,aaron-goshine/easyXDM,chazen/easyXDM,oyvindkinsey/easyXDM,jmptrader/easyXDM,oyvindkinsey/easyXDM,lanson647/easyXDM,cake-disposal-squad/easyXDM,oyvindkinsey/easyXDM,jspath/easyXDM,jmptrader/easyXDM,oyvindkinsey/easyXDM,cake-disposal-squad/easyXDM,jspath/easyXDM,lanson647/easyXDM,cake-disposal-squad/easyXDM,aaron-goshine/easyXDM,jmptrader/easyXDM,chazen/easyXDM,jspath/easyXDM,lanson647/easyXDM,chazen/easyXDM